Incident Score: Analysis & Impact (OPE1778588739)

Rankiteo's analysis has identified several MITRE ATT&CK tactics and techniques associated with this incident, each with varying levels of confidence based on available evidence. Under the Initial Access tactic, the analysis identified Exploit Public-Facing Application (T1190) with high confidence (90%), supported by evidence indicating severe stored Cross-Site Scripting (XSS) vulnerability in Open WebUI and User Execution: Malicious Link (T1204.001) with moderate to high confidence (80%), supported by evidence indicating 1-Click RCE attacks...minimal user interaction. Under the Execution tactic, the analysis identified Exploitation for Client Execution (T1203) with high confidence (90%), supported by evidence indicating embedded malicious JavaScript in SVG executes in victim’s browser and JavaScript (T1059.007) with high confidence (90%), supported by evidence indicating malicious JavaScript in base64-encoded SVG files. Under the Privilege Escalation tactic, the analysis identified Valid Accounts: Local Accounts (T1078.003) with moderate to high confidence (80%), supported by evidence indicating administrator/Privileged User Compromise...payload silently calls Open WebUI’s API. Under the Credential Access tactic, the analysis identified Steal Web Session Cookie (T1539) with moderate to high confidence (80%), supported by evidence indicating payload extracts local storage tokens and chat logs and Credentials In Files (T1552.001) with moderate to high confidence (70%), supported by evidence indicating local storage tokens...transmitting them to attacker-controlled server. Under the Collection tactic, the analysis identified Data from Local System (T1005) with high confidence (90%), supported by evidence indicating chat logs, user enumeration data, profile images compromised and Automated Collection (T1119) with moderate to high confidence (70%), supported by evidence indicating payload transmits data to attacker-controlled server. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with moderate to high confidence (80%), supported by evidence indicating payload transmits data to attacker-controlled server. Under the Command and Control tactic, the analysis identified Application Layer Protocol: Web Protocols (T1071.001) with moderate to high confidence (70%), supported by evidence indicating reverse shell for full RCE via Open WebUI’s API. Under the Impact tactic, the analysis identified Endpoint Denial of Service: Application or System Exploitation (T1499.004) with moderate confidence (60%), supported by evidence indicating potential full system compromise via RCE and Account Access Removal (T1531) with moderate to high confidence (70%), supported by evidence indicating full account hijacking with minimal user interaction. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.